Study On Automatic Verification System Of Low Voltage Current Transformer

With the power system on the low-voltage current transformer verification quality requirements are getting higher and higher,the demand for low-voltage current transformer has increased dramatically,the traditional manual verification work has become increasingly difficult to meet people's needs.For this reason,people began to carry out the research of low voltage current transformer automatic verification system.According to the requirement of automatic verification of low voltage current transformer,an automatic automatic verification system of low voltage current transformer is developed in this paper.According to the verification objectives and rules of low voltage current transformer,the automatic verification of low voltage current transformer is realized by controlling chip.In the research of automatic verification system of low voltage current transformer,the principle of low voltage current transformer and the error source of low voltage current transformer are analyzed,the verification requirements of low voltage current transformer are investigated,and the automatic verification scheme of low voltage current and the automatic verification process of low voltage current are designed.And through the study of the traditional low-voltage current automatic verification method,analyze its shortcomings,and improve and optimize the low-voltage current transformer calibration method.At the same time,study the low-voltage current transformer calibration unit function module and the hardware composition of the calibration unit and its wiring scheme.On this basis,the transfer interface layer of calibration data in low voltage current transformer calibration unit is designed,and the automatic calibration subsystem in information management system and the application subsystem of calibration results are designed and studied.Finally,the low-voltage current transformer verification unit,interface scheme and information management system are integrated to realize the implementation of automatic verification system of low-voltage current transformer.The application of intelligent calibration system for low-voltage current transformer can ensure the calibration quality of low-voltage current transformer,minimize the interference of factors considered in the calibration of low-voltage current transformer,and improve the reliability,accuracy and consistency of electric energy metering.At the same time,the research in this paper also has some theoretical reference for the development of power system intellectualization.